> For the complete documentation index, see [llms.txt](https://docs.essencefinance.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.essencefinance.io/development/smart-contracts/oracle/constantoracle.md).

# ConstantOracle

Return a constant oracle price

## Functions

### constructor

```solidity
function constructor(
    address _core,
    uint256 _priceBasisPoints
) public
```

Constant oracle constructor

#### Parameters

| Name                | Type    | Description                         |
| ------------------- | ------- | ----------------------------------- |
| `_core`             | address | Chi Core for reference              |
| `_priceBasisPoints` | uint256 | the price to report in basis points |

### update

```solidity
function update() external
```

updates the oracle price

no-op, oracle is fixed

### isOutdated

```solidity
function isOutdated() external returns (bool)
```

determine if read value is stale

always false, oracle is fixed

### read

```solidity
function read() external returns (struct Decimal.D256, bool)
```

read the oracle price

#### Return Values

| Name  | Type                | Description           |
| ----- | ------------------- | --------------------- |
| `[0]` | struct Decimal.D256 | constant oracle price |
| `[1]` | bool                | true if not paused    |


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